Automatically-lubricated pitman for windmills.



PATENYTBD JAN. 24, 1905.

v W. P. BRETT. AUTOMATICALLY LUBRIG'ATEDPITMAN FOR WINDMILLS.

APPLICATION FILED JAN. 26, 1901.

2 SHEETSSHEET 1.

PATENTED JAN. 24, 1905.

w. P. BRETT. AUTOMATICALLY LUBRIGATBD PITMAN FOR WINDMILLS.

APPLICATION FILED JAN. 26, 1901.

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i/MQM 7 v MJ/AW UNITED STATES Patented January 24, 1905.

PATENT OFFICE.

WILLIAM P. BRETT, OF DECATUR, ILLINOIS.

SPECIFICATION forming part of Letters Patent No. 780,932, dated January24, 1905. Original application filed October 14,1895,Seria11lo. 566,607.Divided and this application filed January 26, 1901. fierial No. 44,945.

To atZZ whom it may concern.-

Be it known that 1, WILLIAM I BRETT, a citi-,

This application is a division of application Serial No. 565,607 forwindmills, filed by me October 14, 1895, and relates to means for theautomatic'lubrication of the pitman in that class of windmills known asthe vertical or upright wheel windmill, in which the pitman operates ineither a vertical position or at an incline-from the vertical; and theobjects of my improvement are, first,'to reduce friction; second, todispense with the necessity of frequently climbing the tower to oil thewindmill, and, third, to provide means whereby there is no waste of oilby its drip.- ping away from the oil-receptacles as it lubricates thejournals or bearings that are ar ranged to operate therein. I attainthese objects by the mechanism illustrated in the accompanying drawings,in which Figure 1 is a, front view of a windmill with the wheel removedand shows the pitman in an angular position; Fig. 2, a vertical sectionon line a 2, Fig. 1; and Fig. 3 a front view of the pitman and invertical sectionshows the oil-receptacle Ql.

Similar characters refer to similar parts throughout the several views.

Referring to Figs. 1 and 2, the casting F constitutes the principal partof the-main frame of the windmill and is provided with the crankoil-reservoir 15. The crank-shaft 14: is carried by this frame, and thecrank 14 is so mounted thereon as to revolve partially within theoil-reservoir in such manner as to dip the wrist-pin secured thereto inthe oil contained therein when the wheel is in motion. 14: (shown in allthree figures) is the pitman and when in a vertical or inclined posion,as shown in Figs. 3 and 1, is provided with the downwardly-projectedportion 23 at its upper part, with the wrist-pin or pivotal bearing 23formed at the lower extremity thereof, the other wrist-pin or pivotalbearing 23 being formed at the lower extremity of the pitman. Thus it isseen that both wrist-pin bearings of the pitman are formed at the lowerextremity of downwardly,'

projected portions thereof. For the purpose of giving greater strengthto this part of the pitman it is divided and made to pass upward onopposite sides of the upper wrist-pin bearing and uniting above ata-point from which the downwardly projected portion 23 extends. Thisdivision of the body part of the pitman forms a large opening throughit, which may be made as large as desired to accommodate any size orshape of oil-receptacle into which the downwardly-projected wristpinbearing is adapted to operate. The most essential distinguishing featureof this pitman is its downwardly-projected portions with wristpin orpivotal bearings at the lower extremities thereof, whereby said bearingsare adapted to be operatively projected into oil-receptacles during theoperation of the wind-mill, and this feature can be made applicable tomany modified forms of pitman-body parts and oilreceptacles withoutdeparting from the spirit of this invention. One of the wrist-pinbearings of this pitman is eccentrically pivoted to the crank orrotatable member of the windmill 14', and the other is pivoted to awristpin 2& which is carried by the reciprocating part and is surroundedby a reservoir or oil- 'receptacle 24:, that is mounted to movetherewith. 6 is a cross-head or reciprocating part of the windmill andis mounted to slide on posts 5, and 24 is adownwardly-projected portionof it to which the wrist-pin 24: is secured, and 24' is theoil-receptacle, carried by said reciprocating part and is so mounted asto surround the wrist-pin 24: and'the part to which it is anchored.

The vertical-wheel windmill as they have been made for many years havebeen divided into two classes, one of which is the windmill designed foroperating a double-acting pump in which the center line of thewheel-shaft and the center line of the recip- Y rocating wrist-pin andpump-rod are in approximately the same vertical plane. The other classis the one in which the wheel-shaft is mounted to one side of thevertical plane of the center line of the reciprocating parts, so as togive the pitman connected thereto a more direct pull on the workingstroke of the single-acting pump, and by some builders of windmills thewheel is mounted to one side, so that it acts in the capacity of a sideVane as a regulator for the speed of the mill, and this pitman and meansfor itsautomatic lubrication are as applicable to the one class as theother. In my drawings 1 have shown a directstroke windmill; but it willbe readily seen that the mechanism here illustrated and described is asapplicable to the geared mill as to the direct-stroke type.

In operation the crank end of the pitman is lubricated by being dippedin the oil in the crank oil-reservoir at each revolution of the crankand the reciprocating end is lubricated by the bearing thereofbeingimmersed in the oil in the reservoir that is mounted to move withthe reciprocating part of the windmill, and as the motion of these partsof the windmill is very slow there will be no loss of oil by splashingfrom the receptacles containing it, and as both of the pivotalconnections of the pitman operate in or directly above theoil-reservoirs it is readily seen that there can be no loss or waste ofoil by its dripping therefrom.

Having thus described my invention and a mode of its operation, what Iclaim as new, and desire to secure by Letters Patent, is

1. In combination a pitman provided with a downwardly-projecting portionnear its upper end with means for a pivotal connection to be made nearthe extremity of said portion, and an oil-receptacle so mounted thatsaid extremity is operatively projected therein during the operation ofthe windmill.

2. As a means for the automatic lubrication of a windmill-pitman, thecombination of a pitman provided with a downwardly-projected portion atits upper part with a wrist-pin bearing formed at the lower part of saiddownward projection, and an oil-receptacle so mounted that said bearingmay be operatively projected therein during the operation of thewindmill.

3. As a means for an automatically-lubricated pitman for windmills, apitman provided with means for pivotal connections to be made atthelower part ofdownwardly-projected portions thereof, said pitman beingso formed that when it is vertically arranged there is a large hole oropening through the body part thereof extending from near the upper enddownwardly and having one of said projections with its means for apivotal connection projecting downwardly from that part of the pitmanabove said opening, and the other projecting downwardly from that partbelow the opening and forming the lower end of said pitman.

4:. As a means for the automatic lubrication of a windmill-pitman, thecombination of a substantially vertically arranged pitman provided witha downwardly-projecting portion at its upper part, and with means forpivotal connections to be made, one at the extremity of said portion andthe other at the lower end of said pitman, and an oil-receptacle somounted that said extremity with its pivotal connection is operativelyprojected in the lubricant contained therein during the operation of thewindmill.

5. Asa means for the automatic lubrication of a windmillpitman, thecombination of a pitman arranged to oscillate so that the line of thedirection of its applied force moves substantially within a verticalplane which stands practically at right angles to the center line of thebearings of the rotatable member imparting said oscillatory motionthereto, and provided with a downwardly-projecting portion near itsupper end, and-with wrist-pin bearings, one of which is formed near theextremity of said portion and the other near the lower end of thepitman, and an oil-receptacle so mounted that said extremity with itswrist-pin bearing is operatively projected into the lubricant containedtherein during the operation of the windmill.

6. In combination a reciprocating part provided with means for a pivotalconnection to be made within a lubricant-receptacle that is mounted tomove in connection therewith, and a pitman provided with adownwardly-projecting portion near its upper end and adapted to beoperatively attached, near the extremity of said portion, to the pivotalmeans in said receptacle.

7. In combination areeiprocating part provided with means for a pivotalconnection to be made Within an oil-receptacle that is mounted to movein connection therewith, and a pitman arranged to oscillate so that theline of the direction of its applied force moves substantially within avertical plane and provided with a downwardly-projecting part near itsupper end and adapted to be opcratively attached near the extremity ofsaid projecting part to the pivotal means in said receptacle.

8. In combination for the automatic lubrication of a windmill-pitman, areciprocating part provided with a downwardly-projecting portion with awrist-pin secured thereto, an oil-receptacle surrounding said wrist-pinand mounted to move in connection therewith, and a pitman provided witha downwardlyprojecting portion near its upper end with a wrist-pinbearing formed at the extremity thereof and adapted to be operativelyjournaled on said wrist-pin.

9. Asa means for the automatic lubrication of a windmill-pitman, thecombination of the reciprocating mechanism provided with adownwardly-projecting portion with a wristpin secured near the extremityof said portion, a pitman provided with a wrist-pin bearing formed nearthe extremity of a downwardlyextended projection at the upper partthereof, and a wrist-pin oil-reservoir whereby said ITO wrist-pin andwrist-pin bearing are automatically lubricated during the operation ofthe windmill.

10. In combination the reciprocating mechanism of a windmillprovidedwith a wristpin anchored at the lower part of a downwardly-projectedportion thereof, a substantially vertically-arranged pitman providedwith a wrist-pin bearing formed at the lower part of adownwardly-projected portion near the upper end thereof, and a wrist-pinoil-receptacle carried by said mechanism whereby said wrist-pin iscontinuously lubricated.

11. In combination the reciprocating mechanism of a windmill providedwith a wristpinvanchored at the lower part of a downwardly-projectedportion thereof, a pitman arranged to oscillate with its center linesubstantially within a vertical plane and provided with a wrist-pinbearing formed at the lower part of a downwardly-projecting portion atthe upper part thereof and adapted to operate on said wrist-pin, and anoil-receptacle secured to said portion of said mechanism and surroundingit with said wrist-pin and the wrist-pin bearing operating thereon.

12. In combination a rotatable member and v a reciprocating part,mounted one above the other, a pitman eccentrically pivoted to saidmember near one end, and pivotally connected to said reciprocating partnear the other end, a downward projection at the upper, end I upon saidwrist-pins, one of which is formed.

near the lower end thereof and'the other at the lower part of a downwardprojection near its upper end, and oil-receptacles so mounted that saidbearings are adapted to be operatively projected into the lubricantcontained therein during the operation of the windmill.

14. In combination for the automatic lubrication of a windmill-pitman, avertically-movable member provided with a downwardlyprojecting portionwith a wrist-pin secured thereto, an oil-receptacle surrounding saidwrist-pin and. mounted to move therewith, and a substantiallyvertically-arranged pitman provided with a downwardly-projecting portionnear its upper end with a wrist-pin bearing formed at the lowerextremity thereof and journaled on said wrist-pin.

15. As a means for the automatic lubrication of a windmill-pitman, incombination a rotatable member and a reciprocating part, mounted oneabove the other, a pitman eccentrically pivoted to said member near oneend, and pivotally connected to said reciprocating part near the otherend, a downward projection integral with the upper end of said pitman,provided at its extremity with one of said pivot-bearings, and oilreceptacles so mounted that each of the said pivot-bearings is adaptedto operatively contact with the Inbricant in its respective receptacleduring the operation of the windmill.

16. In combination a main frame carrying an oil-receptacle, a rotatablemember and a reciprocating part mounted one in a horizontalplane abovethe horizontal plane of the other and so that said member is adapted torotate partially within said receptacle, a pitman eccentrically pivotedto said member near one end and pivotally connected to saidreciprocating part near the other end, a downward projection at theupper part of said pitman provided at its extremity with one of saidpivot-bearings, and an oil-receptacle surrounding said extremity andmounted to move in connection therewith.

17. In combination the main frame of a windmill provided with anoil-reservoir, a rotatable member so mounted as to operate partiallywithin said reservoir and havingan eccentrically-positioned wrist-pin, areciprocating part carryingariother oil-reservoir which surroundsanother wrist-pin which is mounted to move therewith, and a pitmanprovided with wrist-pin bearings, one of whlc'n is formed at .the lowerpart of a downwardly projecting portion near the upper end thereof andthe other at its lower extremity, and adapted to operate on saidwrist-pins.

18. In combination for the automatic lubrication of a windmill-pitman,the main frame of a windmill provided with an oil-receptacle,

a rotatable member with a wrist-pin eccentrically secured thereto and somounted as to operate partially within said oil-receptacle, areciprocating part carrying another oil-receptacle which surroundsanother wrist-pin which is mounted to move therewith, and a pitmanprovided with wrist-pin bearings, formed at the lower extremity ofdownwardly-projecting portions thereof, and journaled uponsaidwrist-pins substantially as and for the purpose set forth.

- 19. In combination the main frame ofa windmill provided with anoil-receptacle, a rotapart and arranged to oscillate so that the line ofthe direction of its applied force moves substantially within a verticalplane and being attached near the extremity of said portion to one ofsaid pivotal means and near its lower end attached to the other.

20. In combination the main frame provided with an oil-receptacle, arotatable member provided with eccentrically positioned means for apivotal connection to the pitman, a reciprocating part also providedwith means for its pivotal connection to said pitman, a pitman arrangedto oscillate so that the line of the direction of its applied forcemoves substantially within a vertical plane and provided with adownwardly-projecting portion at its upper part and being adapted to beoperatively attached, near the extremity of said portion, to one of saidpivotal means and near its lower end to the other, and alubricant-receptacle surrounding the pitman pivotal connection with saidreciprocating part and mounted to move in connection therewith.

21. In combination for the automatic lubrication of a windmill-pitman, amain frame carrying an oilreceptacle, a rotatable member mountedpartially above said receptacle and provided witheccentrically-positioned means for its pivotal connection to the pitman,areciprocating part also provided with means for its pivotal connectionto said pitman, a pitman provided with a downwardly-projecting portionnear its upper end and suitable means adapting it to be operativelyattached, near the extremity of said portion, to one of said pivotalmeans and near its lower end to the other, and a lubricant-receptacle somounted that said pitman pivotal connection with said reciprocating partis automatically lubricated during the operation of the windmill.

22. As a means for the automatic lubrication of a windmill-pitman, incombination a vertically-movable member provided with adownwardly-projected portion with a wristpin and a wrist-pinoil-reservoir secured thereto, and asubstantially vertically-arrangedpitman provided with a downwardly-projected portion near its upper endwith a wrist-pin bearing formed at the lower extremity of saiddownwardly-projected portion and journaled on said wrist-pin.

23. As a means for the automatic lubrication of a windmill-pitman, incombination a retatable member and a substantially verticallymovablepart, mounted one above the other, a pitman eccentrically pivoted tosaid member near one end and pivotally connected to saidvertically-movable part near the other end, a downward projection nearthe upper end of said pitman, provided near its extremity with one ofsaid pivot-bearings, and an oil-receptacle surrounding said extremityand mounted to move in connection therewith.

24. As a means for the automatic lubrication of a windmill-pitman, incombination a rotatable member and a vertically-movable part, mountedone above the other, a pitman eccentrically pivoted to said member nearone end, and pivotally connected to said vertically movable part nearthe other end, a downward projection at the upper end oi said pitmanprovided at its extremity with one of said pivot-bearings, andoil-receptacles so arranged that said pivot-bearings are adapted to beoperativcly projected therein during the operation of the windmill.

25. As a means for the automatic lubrication of a windmill-pitman, incombination a pitman provided with down wardly-m'oj ecting parts nearthe extremities of which are arranged means for pivotal connections tobe made, and oil-receptacles so arranged that said extremities withtheir pivotal connections are adapted to be operatively projected intothe lubricant contained therein during the operation of the windmill.

26. As a means for the automatic lubrication of a windmill-pitman, incombination a pitman provided with means for pivotal connections to bemade at the lower extremity of down ward] y-proj ccting parts thereof,and oilreceptacles so arranged respecti\"ely in such relation to saidextremities that the uppermost one is adapted to be contimnmsly and thelower one interi'nittcntly projected into the lubricant containedtherein during the operation of the windmill.

27. As a means for the automatic lubrication of a windmill-pitman, incombination a rotatable member and a reciprocating part, mounted oneabove the other, a pitman eccentrically pivoted to said member near oneend, and pivotally connected to said reciprocating part near the otherend, a downward projection forming a part of the upper portion of saidpitman and provided at its extremity with one of said pivot-bearings,and means for stor ing lubricant, said lubricant being so disposed thatsaid pivot-bearings are adapted to operatively contact therewith duringthe rotation of said member.

28. As a means for the automatic lubrication of a windmill-pitman, incombination a rotatable member and a rcciprocatii'ig part, mounted oneabove the other, a pitman eccentrically pivoted to said member near oneend, and pivotally connected to said reciprocating part near the otherend, a downward projection forming a part of the upper portion of saidpitman and provided at its extremitv with one of said pivot-bearings,and means for storing lubricant, said means for storing the lubricantbeing so disposed that each of the said pivot-bearings is adapted tooperativelv contact with its respective part of said stored lubricantduring the rotation of said member.

VILLIAM P. BRE'lT'l.

\Vitnesses:

J. H. MONTGOMERY, S. R. Gillan.

